[USN-4103-2] Docker vulnerability
Mike Salvatore
mike.salvatore at canonical.com
Mon Aug 19 17:42:41 UTC 2019
==========================================================================
Ubuntu Security Notice USN-4103-2
August 19, 2019
Docker vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Docker could be made to crash or run programs as your login.
Software Description:
- docker.io: Linux container runtime
Details:
Jasiel Spelman discovered that a double free existed in the docker-credential-
helpers dependency of Docker. A local attacker could use this to cause a denial
of service
(crash) or possibly execute arbitrary code.
Original advisory details:
Jasiel Spelman discovered that a double free existed in docker-credential-
helpers. A local attacker could use this to cause a denial of service
(crash) or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
docker.io 18.09.7-0ubuntu1~19.04.5
Ubuntu 18.04 LTS:
docker.io 18.09.7-0ubuntu1~18.04.4
Ubuntu 16.04 LTS:
docker.io 18.09.7-0ubuntu1~16.04.5
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4103-2
https://usn.ubuntu.com/4103-1
CVE-2019-1020014
Package Information:
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~19.04.5
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~18.04.4
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~16.04.5
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